CN109565454A - Streaming Media communication - Google Patents

Streaming Media communication Download PDF

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Publication number
CN109565454A
CN109565454A CN201780039827.5A CN201780039827A CN109565454A CN 109565454 A CN109565454 A CN 109565454A CN 201780039827 A CN201780039827 A CN 201780039827A CN 109565454 A CN109565454 A CN 109565454A
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CN
China
Prior art keywords
controller
multimedia
network link
multimedia receiver
end user
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Granted
Application number
CN201780039827.5A
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Chinese (zh)
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CN109565454B (en
Inventor
F·诺吕姆
M·斯卡德博格
E·西蒙森
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Switzerland Co
Cyviz AS
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Switzerland Co
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Publication of CN109565454A publication Critical patent/CN109565454A/en
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Publication of CN109565454B publication Critical patent/CN109565454B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/403—Arrangements for multi-party communication, e.g. for conferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L12/462—LAN interconnection over a bridge based backbone
    • H04L12/4625—Single bridge functionality, e.g. connection of two networks over a single bridge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2838—Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
    • H04L63/0838—Network architectures or network communication protocols for network security for authentication of entities using passwords using one-time-passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Automation & Control Theory (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Information Transfer Between Computers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

For streaming in the system (2) of data for including multimedia content, one or more controllers (14) including controller interface (16) are arranged to be connected to end user device (8) via the first control network link (26).One or more multimedia receiver equipment (10) include the multimedia interface for being suitably connected to video reception apparatus (12).Each of one or more multimedia receiver equipment (10) are all arranged to be connected to associated controller (14) via the second control network link (28), and are also arranged to be directly connected to end user device (8) via media stream network link (32).The list of control server (20) trustship one or more multimedia receiver equipment (10) and associated controller (14).End user device (8) includes the user interface for being connected to control server (20).The system, which is provided, selects multimedia receiver equipment (10) from list, and user interface is arranged to the selection multimedia content to be streamed.After end user device (8) and controller (14) associated with selected multimedia receiver equipment (10) are arranged in via controller interface (16) or receive user's input via end user device (8), media stream session is initiated via the media stream network link (32) between end user device (8) and selected multimedia receiver equipment (10).

Description

Streaming Media communication
The present invention relates to the systems for data, particularly multimedia content to be streamed to another equipment from an equipment And method.
During business meetings, demonstrator comes usually using such as projector, large-scale external monitor or interactive whiteboard All participants are allowed to can see his/her computer screen.Once needed meeting of all participants in same room and Meeting also becomes increasingly popular remotely to be executed using netmeeting now.
When demonstrator wishes to show multimedia content in external monitor, they be faced with how to do so it is a variety of Selection.The most common solution is the equipment that external monitor is physically connected to demonstrator using cable, and such as high definition is more Media interfaceMore matchmakers of Video Graphics Array (VGA), digital visual interface (DVI) cable or other similar form Physique formula.However, such as cable length is limited, it may be difficult to be connected to applicant have appreciated that this method is there are problem Equipment, and need near the equipment of demonstrator is physically located in.Applicants have also realised that the working life of many modern comforts It may be considerably beyond such asThe service life of the connector standards of VGA or DVI, it is thus possible to available cable connector It is incompatible.
Also other network-centric streaming media solutions can be used, such as byProduction ChromecastTMOr byProductionBut these solutions are not provided needed for business environment Scalability rank, and specific software support is needed, such asHowever, it is known in the art that it is upper System itself is stated without method steady enough to ensure to stream to content correctly when many different receiving devices are available Position.This problem is referred to herein as " proximity detection challenge ".
There are also browsers to browser solution, such asHim can be used in demonstrator and participant Web browser or specified special-purpose software participate in meeting.However, this still needs computer or similar equipment with certain Kind mode is connected to external display, so that browser or the operation of specified special-purpose software are to be connected to Web conference session.If Setting such system may need than necessary more user interventions, so that being connected to session becomes complicated and user is enabled to feel To dejected.Moreover, above-mentioned frame of reference itself as known in the art, which does not provide, to be ensured content streaming to correct position Mode.
It needs minimum setting applicant have appreciated that having and ensures to stream to multimedia content into correct destination System will be useful.
Therefore, when from the point of view of first aspect, the present invention provides a kind of data for streaming including multimedia content System, which includes:
One or more controllers, one or more of controllers include controller interface, controller interface quilt It is set as being connected to end user device via the first control network link；
One or more multimedia receiver equipment, one or more of multimedia receiver equipment include being suitable for connecting Be connected to the multimedia interface of video reception apparatus, wherein each of one or more of multimedia receiver equipment all by It is arranged as being connected to association controller via the second control network link and be further arranged to via media stream network Link is directly connected to end user device；
Control server, the control server trustship one or more multimedia receiver equipment and associated control The list of device；
Wherein, end user device includes the user interface for being connected to control server, and the user interface is arranged use In multimedia receiver equipment and the selection multimedia content to be streamed of the selection in list；
Wherein, end user device and controller associated with selected multimedia receiver equipment are arranged in After receiving user's input via controller interface or via end user device, via end user device and selected Media stream network link between multimedia receiver equipment initiates media stream session.
Therefore, it will be understood by those skilled in the art that the present invention provides a kind of multimedia approach system, wherein terminal user Equipment (source for the multimedia content to be streamed) and selected multimedia receiver (destination of the multimedia content) Between media stream network link independent network link is provided therebetween, wherein the foundation of media stream network link is by having There is the independent control with end user device and with the control network link of selected multimedia receiver equipment of its own Device control.Therefore, selected multimedia receiver equipment can receive the data being streamed, and for being then converted Such as vision signal to be output to external video receiving device.
In addition, according to the present invention, demonstrator can be used end user device and user interface and itself and control utilized to service The connection of device selects or searches for him or she and wishes to stream the target receiver equipment of the multimedia content of his/her selection.The list Indicate which of controller is connected to one or more given multimedia receivers via the second control network link and sets Standby (i.e. " associated ").For example, to can connect (or can connect) more into same room for the controller in each meeting room Media receiver device.The list can also include the further letter about controller and associated multimedia receiver equipment Breath, such as the pet name of receiver user close friend is given, such as " meeting room 1 " or " lecture hall ", so that demonstrator is easier to select Select or find correct multimedia receiver equipment and associated controller.
It should be appreciated that terms used herein " selection (selection) " or " selection (selecting) " are not limited to arranging Specific multimedia receiver equipment (for example, passing through the button in click graphic user interface or link) is manually selected in table, But other selection methods that extension may hide user.For example, from the perspective of user, to multimedia receiver equipment Selection with associated controller can carry out on " backstage ".As being described more fully, can be in user Existing " fetcher code ", when entering end user device, which allows system to be connected to end user device suitably Controller and firmly believe user close to expected multimedia receiver equipment and associated controller (or authorized Xiang Qiliu Give-such as by providing the fetcher code of " outside channel " Email, call).
Controller associated with selected multimedia receiver equipment is only being received from user (that is, user is defeated Enter) confirmation when just allow to establish media stream network link.In some embodiments, user input include should with it is selected Multimedia receiver equipment establishes the first confirmation of media stream network link.This advantageously ensures that between correct equipment Generate point-to-point media stream link.For example, if demonstrator or other indoor participants of meeting wish and its in room Other people share their screen (for example, demonstration), they can simply use themselves personal device, such as pen Remember that this computer or tablet computer, to obtain receiver list from control server, select their current institutes as end user device Receiver in the room confirms that its is on the scene using controller interface, then (such as large-scale to supervise with the external display in room Visual organ or projector) share its screen.
Similarly, if remote user wishes the end by content from positioned at a room (for example, in personal office) End user device streams to particular conference room, then controller interface can be only as an example, to the indoor one or more of meeting Local user shows message, and inputs (for example, pressing the button on controller interface) request by the user needed for executing They confirm whether they wish from the particular remote user receiving stream.
Although can only in controller interface, confirmation multimedia receiver equipment should receive the data that are streamed to send out Play media stream session, but in some embodiments, end user device and with selected multimedia receiver equipment phase Associated controller be arranged to only via user interface by the second confirmation input to end user device when initiate Media Stream Send session.In some embodiments, the second confirmation includes fetcher code.For example, fetcher code may include Personal Identification Number (PIN) code or alphanumeric passwords phrase, Personal Identification Number (PIN) code or alphanumeric passwords phrase will be via User interface is input in end user device.In some such embodiments, the second confirmation is via the first control lattice chain Road is transmitted to controller from end user device.This, which is generally provided, is mutually authenticated, so that both sides can confirm Media Stream Send session that should continue.Which advantageously prevents demonstrator unexpectedly select incorrect multimedia receiver equipment and It is unexpected that recipient confirm that they wish the case where receiving the stream.This may have a negative impact, such as to mistake by Sensitive information is presented in crowd.
In some embodiments, fetcher code is generated by server, which can be control service as described above Device.This allows control server to generate unique or disposable authorization (OTA) code for preventing reusing or " speed code ", from And improve the safety of system.These access (for example, OTA code) at least can be connected to multimedia in some embodiments It presents on the display of receiver, or is presented via the display at controller interface, user is allowed to obtain the visit of generation It asks code (such as disposable authorization code) and is entered into end user device.This is the multimedia in particular room Receiver and its associated controller provide the means of proximity detection.If user is practical in the room, he or she can To obtain the fetcher code of such as OTA code simply by checking display, or can be by another participation in room Person for example provides a user code via e-mail or by phone.Then, user can be via user interface (for example, making With web application) input fetcher code, and by verifying, from the list by control server trustship Multimedia receiver equipment appropriate is selected, and is endowed access authority so that multimedia content is streamed to associated room.? In some such embodiments, the list by control server trustship includes the list of current accessed code, for example, being used for one Or the disposable authorization code of each of multiple multimedia receiver equipment and associated controller.In such embodiment In, user may not necessarily manually select required receiver from list, but by simply entering currently valid access In generation, buys (for example, OTA code), which can be established multimedia to specific receiver and on " backstage " by server Network link is streamed, without user in the interior location receivers of list itself.Server is (for example, control service as described above Device) it can be provided to centralised storage library and be published to room, the controller in each room and associated with each controller Receiver fetcher code polymerization summarize.
Therefore, various embodiments of the present invention advantageously achieve proximity detection mechanism, which prevents demonstrator from having The case where anticipating or unintentionally selecting content and content is streamed into incorrect multimedia receiver equipment.This may be produced Raw negative effect, such as sensitive information is presented to the audient of mistake or meeting is interrupted.
Although above system can be used for two-way (that is, half- or full-duplex) communication, applicant have appreciated that above-mentioned Application of the system especially suitable for such as Web conference and Screen sharing etc, therefore media stream session in a preferred embodiment It is either simplex.As a comparison, first and second control network links be preferably two-way communication (that is, they provide half-duplexs or Full-duplex communication).
It should be appreciated that provide media stream network link and/or first control network link allow end user device and The flexibility of the degree of approach between multimedia receiver equipment.In some embodiments, media stream network link and/or first Controlling network link includes local area network (LAN).In an alternative embodiment, media stream network link and/or the first control network Link includes Virtual Private Network (VPN).In some other alternate embodiments, media stream network link and/or first Control network link includes internet connection.For being intended in local streaming media (may be from same room or building) The LAN of device, such as cable network or Wireless LAN can provide necessary network connection.In contrast, if necessary in company Web conference is carried out between interior different offices or between company and such as client, then VPN or the connection based on Internet It may be more suitable.
Although user interface can be provided for example by independent computer program, in a preferred embodiment, Yong Hujie Face includes web browser.Therefore, end user device can be used web browser and navigate to pre-existing web browsing Device is (such asOperaTM,ChromeTMOr EdgeTM) in specific uniform resource locator (URL), i.e. network address.In some such embodiments, web browser is arranged to using the net by control server trustship Initiated media stream session is realized in network application.In such embodiments, control server can be to network application journey Sequence provides the list of receiver and associated controller, allows the user to identify required multimedia receiver.Preferably, Web browser, which is arranged to realize using real-time Communication for Power Network (WebRTC) application programming interface (API), is initiated Media stream session.WebRTC technical standard is by World Wide Web ConsortiumDefinition, and provided in real time by simple API Browser to browser communicate.Applicant have appreciated that WebRTC provides a kind of platform independent mechanism, it is used for from support Its any web browser is streamed.Then, multimedia receiver equipment can receive WebRTC and flow and passed through Video flowing is converted it directly to before being transmitted to video reception apparatus by multimedia interface.User interface may include any conjunction Suitable WebRTC compatible browser, the method which supports the expectation content on capture end user device, to use WebRTC is streamed.Although being summarized herein of course it is to be understood that WebRTC is a kind of ready-made media stream agreement The principle of the present invention is suitable for other media stream agreements.
However, although less it is preferable to use independent computer programs to provide user interface, applicant have appreciated that example Such as due to safety or software compatibility issue and there are this to be inevitable situation.It can thus be anticipated that at least some In embodiment, user interface may include supporting the independent computer programs of WebRTC agreement.
Although end user device can be with the local list of multimedia receiver known to trustship and associated controller (that is, end user device includes control server), but in a preferred embodiment, control server include be arranged to via Remote server of the server network link connection to end user device.This is provided can be used by any suitable terminal The centrally located administrative directory of all known receivers and associated controller of the access of family equipment, and therefore terminal is used Family equipment does not need the priori knowledge of system advantageously.However, in some such embodiments, end user device trustship is Know the local list of multimedia receiver and associated controller.By the local list of end user device trustship can be by The subset of the list of control server trustship, and only as an example, may include the column of most recently used multimedia receiver The list of table or " favorite " multimedia receiver (for example, user most common those).
It will be understood by those skilled in the art that many multimedia interfaces as known in the art can be readily applied to this hair It is bright, such as Video Graphics Array (VGA) or digital visual interface (DVI).However, at least some preferred embodiments, more matchmakers Body interface includes high-definition multimedia interfaceIn other at least some preferred embodiments, multimedia interface packet Include display port interface.Video data can be provided with relatively high resolution ratio with display port interface and take Carry voice data.It should be appreciated, however, that present invention can apply to other not expressly listed herein multimedia interfaces, and it is more Any kind of video output formats can be used in media receiver device.
The the second control network link offer for being preferably independent of the first control network link will be sent to phase from controller The signal of communication of associated multimedia receiver equipment, wherein such signal may include that will establish input medium streaming The notice of session may include parameter needed for establishing the media stream session.In some embodiments, the second control Network link includes local area network (LAN).In some embodiments, second control network link include WLAN (WLAN or).In some alternative embodiments, the second control network link includesConnection, can beIntelligence Connection.
Although controller can be the terminal for being for example connected to receiver apparatus, in some embodiments, Controller interface includes independent control panel.Then, which can be located at convenient position (in such as meeting In room), allow to be provided relatively easily media stream session.
In some embodiments, which includes the third control between end user device and multimedia receiver equipment Network link.Preferably, the third control network link is also by controller equiment via the first and second control network links It establishes.The additional control network link provides control signal and directly passes between end user device and multimedia receiver equipment The ability passed, without passing through controller forward signal.It should be appreciated that third control network link is not related to media stream meeting The transmission of words.
Thus, it will be seen that end user device, controller, multimedia receiver equipment and control server are ok It is connected to each other via control network.The control network includes multiple control network links as described above, the multiple control net Network link is arranged such that control each node in network can be via the connection and any other node for controlling network Communication, even if the two nodes are not connected to each other directly.The transmission that individually forwarding service is used for Media Stream can be provided, made It obtains in the case where the direct link between end user device and receiver apparatus cannot be established, the Media Stream can be continued.
In various embodiments, multimedia receiver equipment includes at least one multimedia interface.Multimedia receiver is set It is standby to be optionally arranged to be connected to multiple video reception apparatus using one or more multimedia interfaces.The video reception Equipment or each video reception apparatus may include multiple panels in single display panel or array (such as display wall).
Although the system can be used for streaming to multi-medium data single multimedia receiver equipment, in some embodiments In, which includes multiple multimedia receiver equipment, and each multimedia receiver equipment includes being suitably connected to video reception The multimedia interface of equipment, wherein each multimedia receiver equipment, which has, streams network with the specialized media of end user device Link.Of course it is to be understood that the media stream agreement used in these embodiments must also be supported to transmit to multiple receivers Flow content.In such embodiments, multimedia content can be streamed to multiple and different outsides by end user device simultaneously Display.In some such embodiments, at least two multimedia receiver equipment have the dedicated control to same controller Network link processed.This allows multiple external displays close to each other with shared control unit, component needed for reducing this installation Quantity.
In some embodiments, which further includes matrix device, which includes multiple multimedia interface inputs It is exported at least one multimedia interface, it is associated with theirs which is connected to multiple multimedia receiver equipment Between controller, wherein matrix device, which is arranged to, is routed to the media content streamed by each media stream network link Video reception apparatus.In some such embodiments, each of multiple multimedia receiver equipment be arranged in from Associated controller, and associated control are sent by inlet flow signal when end user device receives streaming medium content Device processed is arranged in when receiving inlet flow signal that sending metrix switching signal is to matrix device, and wherein matrix device is arranged It is connect for the media content streamed by each media stream network link is routed to video when receiving Inverse problem signal Receiving unit.In at least some such embodiments, matrix device is arranged to will be by multiple media stream network link streams The media content sent is routed to the multiple virtual windows shown on video reception apparatus.Additionally or alternatively, at least one In a little embodiments, matrix device is arranged to the media content streamed by multiple media stream network links being routed to difference Video reception apparatus.
In some alternative embodiments, which further includes multiple controllers, wherein each multimedia receiver equipment has There is the dedicated second control network link from different controllers.These embodiments allow the spirit of the arrangement of multimedia receiver equipment Activity, because they may be unrestricted in terms of close to single controller.
It will be understood that multimedia content may include at least one of the following: video data, audio data, media data Or other interactive contents." streamed data " is meant that the one-way transmission of the data including multimedia content.
Preferably, controller is physically separated with multimedia receiver equipment.For example, multimedia receiver equipment can be with Video reception apparatus is physically connected to via cable, but controller in same room with them is for example independent elsewhere 's.Although controller can physically be fixed on specific position, in a preferred embodiment, controller is portable.Such as Preceding described, in a preferred embodiment, end user device is located in room identical with controller and receiver.
When in terms of second aspect, the present invention provides it is a kind of will include multimedia content data from user interface The end user device method that streams to multimedia receiver equipment, which includes being suitably connected to regard The multimedia interface of frequency receiving device, this method comprises:
The user interface of end user device is connected to server to access one or more multimedia receiver equipment With the list of associated controller；
One or more multimedia receivers are selected from list via user interface；
The first control network link transmitting stream via end user device between the controller with controller interface Request, the controller are associated with selected multimedia receiver equipment；
User's input is received by controller interface or end user device to receive stream request；
Start command is transmitted to selected multimedia receiver equipment from controller by the second control network link；
The multimedia content to be streamed is selected via user interface；With
Media stream is initiated via the media stream network link between end user device and multimedia receiver equipment Session.
In some embodiments, this method further includes showing more matchmakers using the video reception apparatus for being connected to multimedia interface Hold in vivo.
Various other embodiments according to the present invention, this method may include above-described any feature.
As described above, media stream session partially or completely can be initiated automatically (that is, user does not need from list Manually select multimedia receiver equipment), such as may map to the fetcher code of specific receiver and same using server When overcome proximity detection challenge.Applicant has devised some other modes to provide user's proximity detection and can Multimedia receiver equipment appropriate is automatically selected from list.
In the embodiment of some possible overlappings of any of aforementioned aspects, which further includes user location system, The user location system, which is arranged to control server, provides customer position information.This means that control server is in starting matchmaker Body can be used customer position information (for example, practical whereabouts about user) when streaming network link, such as which to be determined Multimedia receiver should can be used for the multimedia equipment in selective listing.For example, user location can be used in control server Information determines user in the certain floor of specific buildings, the part of building, room or building, this can be reduced can The list of capable multimedia receiver.In some preferred embodiments, multimedia receiver equipment of the selection in list is extremely Customer position information is at least partly based on to automatically carry out.
Since user location system can provide the reliable position information source of the whereabouts about user, such May not be needed further to execute in embodiment it is any further confirm that step (for example, inputting fetcher code as described above), , although if desired, these still can of course selectively be executed, in order to provide additional safe floor.
User location system can be kept completely separate with control server, and be connected by suitable location information network link It connects.In at least some embodiments, user location system is arranged to from one or more beacon reception customer position informations, should Beacon can determine the physical location of user.These beacons can form a part of indoor locating system, one of them or it is more A beacon is located in such as physical region in workplace (such as entire office building or campus), and user's carrying can be by believing Mark (ID) label read is marked, to determine in the position of given point in time user.
In the embodiment of some possible overlappings of any of aforementioned aspects, which further includes dispatch server, should Dispatch server, which is arranged to (or each) controller of one or more controllers, provides conferencing information.Conferencing information can be with Including information corresponding with the one or more users of meeting being invited into the room where controller.It is being preferably implemented In example, controller is arranged to extract conferencing information from dispatch server.Controller can be requested intermittently or continuously The conferencing information of the booking in room where controller.It is stored in dispatch server this means that controller does not need access User's calendar.Preferably, dispatch server only provides conferencing information relevant to given controller.
In one group of preferred embodiment, when system is arranged in the selection for providing multimedia receiver equipment from list Use conferencing information.Controller can be arranged to send control server for conferencing information via network link.Control clothes Business device can be arranged to the list of conferencing information and one or more multimedia receiver equipment and associated controller Polymerization.Therefore, according to such embodiment, when starting media stream session, controller and/or control server be can be used Conferencing information in advance.In some preferred embodiments, multimedia receiver equipment at least partly ground of the selection in list It is automatically carried out in conferencing information.For example, when the user for being invited to participate in meeting confirms him/her in the controller of particular conference room In it is on the scene when (for example, by the personal identification for logging in or passing through any suitable form, such as ID card reader, fingerprint are read Device etc.).And his/her end user device is connected to control service by the terminal user for being invited to participate in same meeting Device can be automatically chosen for the appropriate multimedia receiver equipment of associated controller.Any of user can be through By controller interface or end user device input user's input to initiate media stream session.By about meeting participant's Preparatory conferencing information provides proximity detection.
The use of conferencing information to select multimedia receiver equipment itself is considered novel and creative, therefore works as When in terms of the third aspect, the present invention provides a kind of system for the flow data including multimedia content, which includes:
One or more controllers, one or more of controllers include controller interface, and the controller interface is by cloth It is set to and is connected to end user device via the first control network link；
One or more multimedia receiver equipment, one or more of multimedia receiver equipment include being suitable for connecting Be connected to the multimedia interface of video reception apparatus, wherein each of one or more of multimedia receiver equipment all by It is arranged as being connected to associated controller via the second control network link and is further arranged to pass through media stream Network link is directly connected to end user device；
Control server, the control server trustship one or more multimedia receiver equipment and associated control The list of device；With
Dispatch server, the dispatch server are arranged to the controller into one or more controllers and provide meeting Information；
Wherein, system be arranged to using the conferencing information select multimedia receiver equipment in list and Select the multimedia content to be streamed；With
Wherein, end user device and controller associated with selected multimedia receiver equipment be arranged to through Media stream meeting is initiated by the media stream network link between end user device and selected multimedia receiver equipment Words.
When in terms of fourth aspect, the present invention provides it is a kind of will include multimedia content data from user interface The end user device method that streams to multimedia receiver equipment, which includes being suitable for connecing with video The multimedia interface of receiving unit connection, this method comprises:
Conferencing information is provided to the controller with controller interface using dispatch server, which connects with multimedia It is associated to receive device equipment；
Control server is connected a controller to by conferencing information and one or more multimedia receiver equipment and phase The list of associated controller polymerize；
The user interface of end user device is connected to control server, based on conferencing information selection and controller phase Associated multimedia receiver equipment；
The multimedia content to be streamed is selected via user interface；
Via first between end user device and controller associated with selected multimedia receiver equipment It controls network link and sends stream request；
Selected multimedia receiver equipment is sent from controller by start command via the second control network link； With
It is initiated via the media stream network link between end user device and selected multimedia receiver equipment Media stream session.
In some embodiments of the third or fourth aspect of the invention, end user device and with selected more matchmakers The associated controller of body receiver apparatus is arranged in via controller interface or receives user via end user device Media stream session is initiated when input.
In the embodiment of some possible overlappings of third or fourth aspect of the invention, end user device includes connection To the user interface of control server, the user interface is arranged to select the multimedia receiver equipment in list With the selection multimedia content to be streamed.
As described above, selecting multimedia receiver equipment associated with controller that can hold from the background based on conferencing information Row, for example, because conferencing information includes the identity for one or more users that meeting is participated in expectation and by end user device User interface be connected to control server include provide user identity.It can be examined for from the received conferencing information of controller User identity is looked into, it is then automatic between end user device and selected multimedia receiver equipment associated with the controller Initiate media stream session.
As described in more detail below, control server can be arranged to connect conferencing information with from external user catalogue The user information of receipts polymerize.The user interface of end user device is connected to control server, to select based on conferencing information The step of multimedia receiver equipment associated with controller may include for example using the use received from external user catalogue The identity of the user of family credit-verification terminal user equipment.
Preferably, dispatch server provides the secure source of conferencing information.For example, conferencing information may include with meeting peace The proof listing of the one or more users permitted entirely.This helps to ensure that media stream session only relates to the correct of meeting-place Participant.Since dispatch server can provide the reliable information source about meeting participant, in such an arrangement may not Any further verification step (for example, inputting fetcher code as described above) is needed to be implemented, but if desired, these are worked as It so still can selectively carry out, such as in order to provide additional safe floor.
Dispatch server, which can be, can share public affairs with the completely self-contained server of control server or these servers Hardware altogether.Communication between controller and dispatch server can be carried out via control server, but in preferably a set of reality It applies in example, each of one or more controllers are directly connected to dispatch server via dispatch network link.This means that control Control server need not be programmed or be reprogramed to communicate with dispatch server.
In at least some embodiments, conferencing information includes calendar data, and wherein calendar data includes the example about user Room location information such as the desired location of meeting.For example, when meeting is added to their room including meeting by user Between position (for example, for giving particular conference room of meeting) calendar when (for example, via end user device and dispatch service Exchange network link between device), the room location information can be used to determine that user should be in specific time by more matchmakers Which multimedia receiver is volume data stream to.It should be appreciated that there are many calendar services known in the art in this field, but It is that in one set of embodiments, dispatch server includesExchange Server。
It will be understood by those skilled in the art that the optional feature described above with reference to of the invention first and/or second aspect It is equally applicable to third and/or fourth aspect of the invention in due course.
Applicants have realized that initiating Media Stream based on by location information or the proximity detection of conferencing information offer Session is sent inherently to require to uniquely identify user in all information sources.Therefore, system may need one kind to be included within position User information in confidence breath or conferencing information with it is matched by end user device and controller received user information progress Mode.External user information source can be used to realize in this, which by control server and can provide such as The other assemblies independent access of the upper location information or conferencing information.In some preferred embodiments, control server quilt It is arranged to for location information and/or conferencing information polymerizeing with from the received user information of external user catalogue.For example, external User Catalog may includeActive Directory。
Therefore, in some embodiments, system further includes being connected to control server via user's checking network link External user catalogue.Control server can be arranged to verify terminal based on from the received user information of external user catalogue The identity of the user of the user and/or one of controller of user equipment.
Certain embodiments of the present invention is only described by way of example with reference to the drawings, in the accompanying drawings:
Fig. 1 shows the block diagram of the system according to embodiments of the invention；
Fig. 2 shows the systems of Fig. 1, and wherein demonstrator wishes to share their screen in the meeting of meeting room；
Fig. 3 shows the typical network topology figure of the system including remote server of Fig. 1；
Fig. 4 shows demonstrator and selects meeting room；
Fig. 5 shows controller and needs to confirm to continue；
Fig. 6 shows the media content that demonstrator selects him or she to wish to show on external display；
Fig. 7 shows the system after establishing media stream network link；
Fig. 8 shows the system of Fig. 1, and plurality of receiver is connected to matrix device；
Fig. 9 shows the system of Fig. 1, and wherein demonstrator wants to set up the Web conference meeting from remote location to meeting room Words；
Figure 10 shows controller and needs the confirmation from the indoor participant of meeting to continue；
Figure 11 shows end user device and PIN code is needed to be mutually authenticated；
Figure 12 shows the system established between remote location and meeting room after media stream network link；
Figure 13 shows system and is used for the Screen sharing of user to multiple positions；
Figure 14 shows system for different media flows to be shared to multiple displays in same room；
Figure 15 shows controller and provides disposable authorization (OTA) code to establish media stream network link；With
Figure 16 shows the block diagram of system according to another embodiment of the present invention.
Fig. 1 shows the block diagram of the system 2 of embodiment according to the present invention.In the specific pattern, system 2 is distributed on not Same room 4,6, but it is to be understood that system 2, which is applied, wishes that their screen sharing is outer into same room in user Portion's display but it is not intended to the case where doing so using cable, as will be referring to figs. 2 to described in Fig. 7.
System 2 includes the end user device 8 in the first room 4 (for example, office) and is located at the second room Controller 14 and multimedia receiver 10 in 6 (for example, meeting rooms).In this exemplary embodiment, multimedia receiver 10 Via high-definition multimedia interfaceCable 34 is connected to external display 12.
System 2 further includes the control server 20 in remotely located 18.End user device 8 is arranged to via One control network link 26 is communicated with controller 14, and then controller 14 is connected to multimedia via the second control network link 28 Receiver 10.As it is following be more fully described referring to figs. 2 to Fig. 7 as, these control network links 26,28 are for directly existing Established between end user device 8 and multimedia receiver 10 media stream SCN Space Cable Network link 32 (and optionally third control Network link 30).
Media stream SCN Space Cable Network link 32 connects for multimedia content directly to be streamed to multimedia from end user device 8 Device 10 is received, and is unidirectional i.e. simplex communication link in this particular example.Optional third control network link 30 allows Control signal is directly sent between end user device 8 and multimedia receiver 10, without forwarding via controller 14. Different from media stream SCN Space Cable Network link 32, third control network link 30 can be bidirectional communication link.Certainly, net is depended on Network infrastructure and its configuration (such as firewall setting), stream may not be direct, but execute via agency's connection.
Controller 14 have touch tablet 16, touch tablet 16 can receive user input, such as receive streaming session, terminate it is existing Streaming session, pause stream, change volume etc..Controller 14 can also obtain related with the display of multimedia content over the display User's input.For example, controller 14 can be Cyviz controller, it is designed to the format management display 12 to show wall.
Remote control server 20 is arranged to obtain via network link 24 from the controller 14 in room 6 to be worked as about it The data of preceding state, and it is arranged to the data 25 obtained from receiver 10 about its state.Remote control server 20 is also Data 22 about available controller 14 and receiver 10 can be provided to end user device 8, such as retouched in detail below with reference to Fig. 3 It states.
In some optional examples, control server 20 may be arranged to obtain the meeting about one or more users Discuss information and/or location information.In some instances, in order to access about personal plan participate in meeting position information, control Control server 20 can be connected to by complementary network link 23 dispatch server 21 (for example,Exchange Server).Conferencing information can be provided without having the full access right to user's calendar.Control server 20 can be led It is dynamic to extract conferencing information from dispatch server 21 to create aggregation information collection in server 20, for example, creation database, the number It will can be linked with the storage list of controller 14 and receiver 10 with the predetermined conference in room 6 according to library.Control server 20 Can by include conferencing information data be pushed to controller 14 in room 6 or controller 14 via network link 24 can be with The data including conferencing information are extracted from control server 20 via network link 24.Below in relation to other realities of Figure 16 description It applies in example, dispatch server 21 is directly connected to room controller 14 instead and controller 14 can be actively from dispatch server 21 obtain conferencing information.
In some instances, in order to access the information of the actual physical location about user, control server 20 can lead to It crosses complementary network link 23 and is connected to positioning system 21 (for example, geo-positioning system).Control server 20 is arranged to from fixed Position system 21 obtain about one or more users physical location location information and by the location information and storage with The related data in the position of room 6' are polymerize.For example, control server 20 is known when user's registration terminal user equipment 8 The identity of road user, and can send User ID to positioning system 21 inquires known (that is, detecting) position of user It sets.Location information is fed back from positioning system 21 to control server 20, and is mapped to the room 6 with user's same position In available controller 14 and receiver 10 storage list.Certainly, which must be taken into consideration from the received position of positioning system 21 The precision level of confidence breath.The list that suitable room may be needed to present to user based on location information, needs user defeated at this time Enter to verify correct room.
Location information may include the real time information of reality (confirmation) position about user, for example, using indoor positioning System 21, wherein one or more beacons are located in entire workplace (for example, throughout office building or campus), and user carries The ID label that can be read by beacon, to determine the physical location of these users at some time point.Then, which can It is used to determine whether allow the user of end user device 8 that data are streamed to the position based on them by control server 20 The display 12 set and/or for determining multi-medium data should be streamed to which room 6 by user, allows to automatically select Multimedia receiver 10 appropriate is selected, without defeated in the initial user via controller interface 16 or end user device 8 User intervention after entering.
Positioning system 21 can provide sufficiently reliable location information, so that may not be needed to execute in this arrangement Any further verification step (for example, fetcher code that input includes OTA code as described below).However, if positioning System 21 provide instruction user where rough region to reduce feasible room quantity location information (but not necessarily foot With accurate or explicitly specify which room multi-medium data should be streamed to by given user), then by this fetcher code and fixed The position combined use of system 21 may be advantageous.
Fig. 2 shows the systems 2 of Fig. 1, and wherein user 3 wishes their screen in the meeting of meeting room.Here, user 3 wish to share his screen to provide demonstration to one group of colleague being located in meeting room 6a, wherein demonstration needs to be shown in large size On external monitor 12a.User 3 opens his web browser 5 on his laptop computer 8 and navigates to specific Network address, the network address provide the network-based user interface for establishing streaming session.User 3 indicates that he wants using the interface Streaming session is established with the participant in meeting room 6a.User interface provides data 22 to user 3, and data 22 include available control The list of device 14 and receiver 10, as described in will refer to Fig. 3.
As can be seen that there are the first control nets between the laptop computer of user 8 and controller 14a in room 6a Network link 26a, and there are the second control network link 28a between controller 14a and receiver 10a.Receiver 10a passes through HDMI cable 34a is physically connected to monitor 12a.
Fig. 3 shows the typical network topology of the system 2 including remote control server 20 of Fig. 1.Control server 20 The list that all meeting room 6a-e of media stream session can be established with it is stored therein.Each meeting room 6a-e has There are the nonshared control unit 14a-e and multimedia receiver 10a-e of their own, data related with the availability of each meeting room Control server 20 is transmitted to by network link 24a-e.In general, meeting room 6a-e is all connected to same corporate networks.
Him, which is presented, in right rear line 3 can start the list 7 for the available conference room 6a-e for streaming to media data.List 7 are shown in network-based user interface via web browser 5.
Fig. 4 shows the meeting room 6a that demonstrator's selection is carrying out meeting.In this particular example, user 3 passes through It on button that cursor of mouse 40 is moved in network-based user interface and mouse will be executed clicks, meeting is selected from list 7 Discuss room 6a.
Fig. 5 shows controller 14a and needs someone confirmation in meeting room 6a, someone can be colleague or user 3.After user 3 has selected meeting room 6a, request signal is transmitted to controller 14a via the first control network link 26a, to The controller 14a instruction user 3 wishes media data streaming to corresponding multimedia receiver 10a.
When receiving request signal via the first control network link 26a, controller 14a is shown on touch tablet 16a Confirmation message 36.Participant of the confirmation message 36 into room conveys user 3 to want media content streaming to their work as Display 12a in front position (meeting room 6a), it is ensured that user 3 has selected correct room.One of participant or user 3) request must be received for example, by pressing the button on touch tablet 16a.This ensures correct recipient in correct meeting It is in close proximity with receiver 10a and its related controller 14a in the 6a of room.Once controller 14a is just via the first control by receiving Network link 26a will receive signal and send back laptop computer 8, to show to have received streaming request.Controller 14a is also passed through It is sent from the second control network link 28a to multimedia receiver 10a and initiates signal, to indicate that it should be anticipated that directly from knee The new WebRTC stream of laptop computer 8.
Fig. 6 shows user 3 and him or she is selected to wish in the media shown on the external display 12a in meeting room 6a Hold.In this particular example, the content for sharing his or her screen 42, specific application 43 or network shooting are presented on to user 3 Selection between head feeding 41.As discussed below with reference to Figure 13, in some instances, user be can choose inhomogeneity The media content of type streams to different external displays.Once user has selected to stream to more matchmakers from laptop computer 8 The type of the media content of body receiver 10a, so that it may start media stream.
Fig. 7 shows the system 2 after establishing media stream network link 32a.Needed for system 2 performs it After any verification step (according to the one-way or bi-directional of Fig. 5 and Fig. 6), in end user device (that is, laptop computer 8) and Media stream network link 32a is established between multimedia receiver 10a.Media stream network link 32a is WebRTC session, In from the web browser 5 run on laptop computer 8 in a manner of browser to browser to multimedia receiver 10a Send data.
It can be seen from figure 7 that once establishing WebRTC session, the monitoring connecting with laptop computer 8 is appeared in Image 42 on device is just mirrored onto external display 12 as image 44.
Third control network link 30a is also shown in Fig. 7, third control network link 30a is directly established on knee Between computer 8 and multimedia receiver 10a.The third, which controls network link 30a, to be allowed in multimedia receiver 10a and above-knee It directly transmits between type computer 8 and is not necessarily required to for for example being disconnected with stream or suspending the control signal of stream via controller 14a is sent.
Fig. 8 shows the system of Fig. 1, and plurality of receiver 10e, 10f, 10g are connected to matrix device 15.In the implementation In example, system 2 is used for multiple display 12e, the 12f shared to different Media Streams in same room.In this embodiment, User 3 selects carrying out the meeting room 6e of meeting from list 7.Meeting room 6e, which has, to be connected to outside two of matrix device 15 Portion display 12e, 12f, matrix device 15 are connected to three multimedia receivers 10e, 10f, 10g.Multimedia receiver Each of 10e, 10f, 10g are all connected to same controller 14e, and controller 14e has touch tablet 16e again.
In this particular example, first and second display 12e, 12f are actually not physically different monitors, But form the individual panels for constituting (at least partly) array that such as Cyviz shows wall 11.
In this embodiment, user 3 wishes to share his screen on a display 12f, and in another display It is shared in virtual window 13e, 13g to (be above-knee in this case with another application-specific respectively on device 12e The application program run on type computer 8) be displayed side by side remote user 70 IP Camera feeding.Ginseng in meeting room 6e Can be used with person be presented to their option via controller touch tablet 16e select each Media Stream (that is, shared screen, Fed using with webcam video) placement.
As previously mentioned, controller of the end user device 8 also via the first control network link 26e into meeting room 6e 14e sends request signal, and controller 14e controls network link via the second of each multimedia receiver 10e, 10f, 10g again 28e, 28f, 28g notify each multimedia receiver 10e, 10f, 10g.Then, with the same way that has been described above, respectively Established between laptop computer 8 and multimedia receiver 10e, 10f, 10g individual media stream network link 32e, 32f,32g.These media stream network links 32e, 32f, each of 32g is independent dedicated WebRTC session, wherein From the web browser 5 run on computer 8 concurrently to each multimedia receiver in a manner of browser to browser 10e, 10f, 10g send data.There may also be independent between computer 8 and each multimedia receiver 10e, 10f, 10g Dedicated third control network link, but for the sake of clarity, these control network links are being not shown in the figure.
As can be seen from Figure 8, the first multimedia receiver 10e obtains number from the first media stream network link 32e According to being converted into vision signal, and it is transmitted to matrix device 15 via the first matrix link 50e.Similarly, second Data are obtained from second and third media stream network link 32f, 32g with third multimedia receiver 10f, 10g, by respective counts According to being converted to vision signal, and the vision signal is transmitted to square via second and third matrix link 50f, 50g respectively Battle array equipment 15.
Matrix arrangement 15 detects vision signal and (is known in the art and is remembered in itself using automatic video frequency routing algorithm Record is in Cyviz Display Controller (display controller)), to route vision signal to selected display Device 12e, 12f.From first and third multimedia receiver 10e, 10g vision signal via firstCable 34e quilt It is routed in virtual window 13e, 13g of the first display 12e.First and the 3rd is being established after WebRTC session, using journey Sequence 44e is shown in the first virtual window 13e on the first external display 12e, and the video from IP Camera 44g In the second virtual window 44g.
Concurrently, matrix device 15 by video data from the second multimedia receiver 10f via secondCable 34f is routed to second display 12f.Once establishing the 2nd WebRTC session, then appears in and connect with laptop computer 8 Then image 42 on monitor is mirrored onto the second external display 12f as image 44f.
Fig. 9 shows the system 2 of Fig. 1, and wherein user 3 wants to set up from the remote location of such as office 4a to meeting room The media stream session of 6a.Here, the user 3 in its office 4a wishes to share his screen to positioned at meeting room 6a In one group of colleague provide demonstration, wherein the demonstration needs to be shown on large-sized external monitor 12a.As can be seen that in user Computer 8 and room 6a in controller 14a between there are first control network link 26a, in controller 14a and receiver There are the second control network link 28a between 10a.Receiver 10a passes throughCable 34a is physically connected to monitor 12a。
User 3 opens his web browser 5 on his computer 8 and navigates to specific network address, which mentions For the network-based user interface for establishing streaming session.User 3 is indicated using the interface in his desired and meeting room 6a Participant establish streaming session.
Figure 10 shows the confirmation for the participant that controller 14a needs in meeting room 6a.Meeting has been selected in user 3 After the 6a of room, request signal is transmitted to controller 14a via the first control network link 26a, and Xiang Suoshu controller 14a instruction is used Wish media data streaming to corresponding multimedia receiver 10a in family 3.
When receiving request signal via the first control network link 26a, controller 14a is shown on touch tablet 16a Confirmation message 36.Participant of the confirmation message 36 into room conveys user 3 to want to stream to media content theirs Display 12a in current location (meeting room 6a).One of participant must for example, by press on touch tablet 16a by Button receives request.Which ensure that correctly recipient in correct meeting room 6a with receiver 10a and its related controller 14a is in close proximity.Once controller 14a just will receive signal via the first control network link 26a and send back calculating by receiving Machine 8 has received streaming request with statement.Controller 14a also controls network link 28a to multimedia receiver via second 10a, which is sent, initiates signal, to indicate that it should be anticipated that the new WebRTC stream directly from computer 8.
Figure 11 shows the PIN code that end user device 8 needs to be used to mutually authenticate.Although can be such as above with reference to figure 10 described establish immediately after confirmation in meeting room 6a are flowed, but in this particular example, the needs of system 2 are mutually authenticated.
It is previously described receive step after, controller 14a shows four PIN codes 38 on touch tablet 16a.Then must It must confirm that identical PIN code 38 is inputted browser 5 by screen 40 via the PIN in network-based user interface.Due to PIN code 38 must be forwarded to user 3, therefore he is it is believed that he has selected correct room really and he selects any of streaming Data all will not can obtain unexpected participant.
Figure 12 shows the system 2 after establishing media stream network link 32a.All institutes are performed in system 2 After the verification step needed, the media stream network between end user device (that is, computer 8) and multimedia receiver 10a Link 32a is established.Media stream network link 32a is WebRTC session, wherein from the web browsing run on computer 8 Device 5 sends data to multimedia receiver 10a in a manner of browser to browser.
In figure 12 it can be seen that once establishing WebRTC session, the monitoring connecting with laptop computer 8 is appeared in Then image 42 on device is just mirrored onto external display 12 as image 44.
Third control network link 30a is also shown in Figure 12, is directly established in computer 8 and multimedia receiver Between 10a.Third control network link 30a is allowed for for example disconnecting with stream or the control signal of pause stream connects in multimedia It receives and directly transmits between device 10a and computer 8 and be not necessarily required to send via controller 14a.
Figure 13 shows system 2 for the screen 42 of user to be shared to multiple position 6a, 6b.In this embodiment, it uses Family 3 has selected two alternative meeting room 6a, 6b from list 7.Between equipment in computer 8 and Conference Room I 6a Connection it is identical as described in earlier in respect of figures 2 to Figure 12.
In this embodiment, end user device 8 is also via another control network link 26b into Conference Room II 6b Controller 14b transmits request signal.Once realize one-way or bi-directional certification as needed, just establish end user device (that is, Computer 8) and multimedia receiver 10b between the second media stream network link 32b.Second media stream network link 32b is individual dedicated WebRTC session, wherein with the data parallel that is sent via the first media stream network link 32a from The web browser 5 run on computer 8 sends data to multimedia receiver 10b in a manner of browser to browser. There is also individual dedicated control network links between computer 8 and each multimedia receiver 10a, 10b, but in order to clear These control network links are being not shown in the figure in Chu Qijian.
Figure 14 shows system 2 for different Media Streams to be shared to multiple displays in same room.In the reality It applies in example, user 3 has selected tool from list 7, and there are two the meeting room 6e of external display 12e, 12f, each external displays 12e, 12f are connected respectively to individual multimedia receiver 10e, 10f.Each multimedia receiver 10e, 10f are all connected to one A central controller 14e, central controller 14e have touch tablet 16e again.
In this embodiment, user 3 wishes to share his screen on a display 12e, and in another display The video feed of the IP Camera 46 from him is shown on device 12f.It is contemplated, however, that the participant in meeting room 6e can make Select each Media Stream (that is, shared screen and IP Camera with their option is presented to via controller touch tablet 16e Video feed) placement.
As previously mentioned, controller of the end user device 8 also via the first control network link 26e into meeting room 6e 14e transmit request signal, controller 14e again via each multimedia receiver 10e, 10f second control network link 28e, 28f notifies each multimedia receiver 10e, 10f.
Then, in a manner of identical with what is had been described above, respectively in end user device (that is, computer 8) and more Individual media stream network link 32e, 32f are established between media source 10e, 10f.These media stream network links Each of 32e, 32f are individual dedicated WebRTC sessions, wherein from the web browser 5 run on computer 8 with The mode of browser to browser concurrently sends data to each multimedia receiver 10e, 10f.In computer 8 and each more There may also be individually dedicated thirds to control network link between media source 10e, 10f, but for the sake of clarity, These control network links are not shown in the figure.
As can be seen from Figure 14, the first multimedia receiver 10e obtains number from the first media stream network link 32e According to being converted into vision signal, and by it via firstCable 34e is sent to the first display 12e.Once As soon as establishing WebRTC session, the image 42 appeared on the monitor connecting with computer 8 is mirrored as image 44e To the first external display 12e.Concurrently, the second multimedia receiver 10f obtains number from the second media stream network link 32f According to being converted into vision signal and by it via secondCable 34f is sent to second display 12f.It is similar Ground, after establishing the 2nd WebRTC session, then the video 44f from IP Camera 46 is shown in the second external display On 12f.
Certainly, first and second display 12e, 12f can not be physically different monitors, but it is all to can be composition As Cyviz shows the individual panels of (at least partly) array of wall.
Figure 15 shows the system 2 in alternative configurations, and wherein controller 14g provides disposable authorization (OTA) code 60 To establish media stream network link.Here, the user 3 in meeting room 6g wishes to share his screen on display 12g. However, it is not necessary to from the receiver 10g manually selected in foregoing list in meeting room 6g, but OTA is provided by system 2 Code options.OTA code 60 is generated by control server 20 and it is supplied to controller 14g via network link 24g.So Afterwards, multimedia receiver 10g shows OTA code 60 on display 12g, and in this case, OTA code 60 is write " red dog ".Of course it is to be understood that OTA code 60 can be alternatively shown on touch tablet 16g.
" red dog " is input in the dialog box 62 in the web browser 5 on his laptop computer 8 by user 3, so After transfer it to control server 20.Control server 20 have current OTA code list and by entry " red dog " with Receiver 10g and related controller 14g match (receiver in OTA code and storage list on server 20 it Between there are one-to-one relationships).Then terminal use " seamlessly " is established in the case where any further intervention of no user 3 WebRTC media stream network link 32g between family equipment (that is, laptop computer 8) and multimedia receiver 10g.When So, this method needs user 3 and expected receiver 10g is present in same room 6g, or in room someone is logical Letter, to realize proximity detection.
Figure 16 shows the block diagram of system 2' according to another embodiment of the present invention, wherein identical appended drawing reference indicates Identical element.As previously mentioned, system 2' is distributed in different room 4', 6', but also support to wish to share their screen The user done so on to the external display of same room but without using cable, as described in earlier in respect of figures 2 to Fig. 7.
Other than the component described previously with reference to Fig. 1, the system 2' of Figure 16 further includes the scheduling clothes in remote location 18' Business device 64 and external user catalogue 70.For ease of description, dispatch server 64 and external user catalogue 70 are illustrated as and control Server 20' is in identical remote location 18', but it is to be understood that this is not necessarily necessary situation, and these servers 20', 64,70 can be in different physical locations each other.Server 20', 64,70 can be physically not identical, but can be with It is the different server applications run parallel on public server hardware.
Dispatch server 64 is arranged to store the meeting about one or more users and/or one or more bookings Discuss information.When determining whether user close to room 6'(or at least speculates) when, system 2' can be used the conferencing information, such as with It is presented on the display 12' in room 6'.Dispatch server 64 can mention the conferencing information via dispatch network link 66 Supply controller 14' participates in predetermined conference and/or deposits according to by dispatch server 64 so that controller 14' knows that user is estimated The booking information of storage knows which (or which) user is arranged in room 6'.Controller 14' is actively from dispatch service Device 64 pulls conferencing information, such as the room of room 6' intermittently, regularly or is continuously obtained via dispatch network link 66 Subscription information.Advantageously, controller 14' does not need the calendar of access personal user, because providing via dispatch network link 66 Conferencing information may be limited to subscribe as the user list had a meeting in the room 6'.Booking information may be displayed on touch tablet On 16', and for the initiation media stream session when receiving user's input via controller interface, such as start scheduled meeting View.
Dispatch server 64 may includeExchange Server or servers, like.In such cloth In setting, dispatch server 64 can store the calendar information of user, the position including scheduled meeting at any given time.It should The end user device 8' that them can be used in information is input to the calendar of user, and end user device 8' passes through exchange network chain Road 68 is connected to dispatch server 64, or any other means being known in the art by itself.
Control server 20' is used to obtain data from controller 14' via network link 24'.The data include meeting at this time Information or the subset of these information are discussed, such as is predefined in the expection participant for the meeting held in meeting room 6'.Controller 14' quilt It is arranged to push conferencing information, for example, the room with participant's information is dispatched to control server 20'.Then, control service Device 20' can create database by the conferencing information for the multiple controller 14' polymerizeing in multiple room 6', without Access personal calendar.Then, control server 20' can predict the destination of user.Due at this time to control server 20' Reliable information relevant to the participant of meeting in room 6' is provided, therefore does not need the user of confirmation end user device 8' It is close, and can automatically initiate media stream session, be inputted without the need for the second user of confirmation.
In order to make system safely work, precondition is that verification process is completed in the user of end user device 8', with Just control server 20' selects multimedia receiver equipment 10' in the list based on the conferencing information sent from controller 14' The identity of user is determined before.The webpage with " login " function can be presented (such as in end user device 8' Www.easyconnect.cyviz.com), user is allowed to input the voucher for being sent to control server 20' to be verified. Then, control server 20' using external user catalogue 70 (for example,Active Directory) Lai Shiji tests Demonstrate,prove voucher.Control server 20' provides link between external User Catalog 70 and conferencing information from dispatch server 64, So that system 2' is attempting to can be used when matching comes from the information of not homologous (that is, controller 14' and end user device 8') Identical " user object ".It is input to the logging on authentication of end user device 8' and upon successful authentication by external user catalogue 70 user informations provided can use for example following form: unique Subscriber Number, user e-mail address or the whole world are only One identifier (GUID), as known in the art.External user catalogue 70 has the user's checking net with control server 20' Network link 72 and network link 74 with dispatch server 64.
Optionally, meeting participant's information can also be pushed to tune via location information network link 66 by controller 14' Spend server 64.For example, if being directed to the position that meeting is scheduled between a plurality of users but does not reach an agreement for specific time, When sponsoring user and finding suitable position (for example, idle meeting room 6'), they can log on to controller 14'. Then, controller 14' can notify the organizer of meeting (alternatively, in some arrangements, being invited to participate in dispatch server 64 The different user of meeting) position of meeting that is already logged into controller 14' and is therefore stored on dispatch server 64 can To be updated to reflect that this point.Then the conferencing information of the update can be used so which multimedia receiver equipment determined It should be available to meeting participant.When end user device 8' is connected to dispatch server 64 via exchange network link 68, Can the conferencing information based on update the receiver 10' appropriate in room 6' is presented automatically to user.It is also possible to based on outer The information that portion's User Catalog 70 provides verifies user identity to meeting participant.
Since dispatch server 64 provides the reliable information source of the whereabouts about user, may be not required in such arrangement It executes any further verification step (for example, fetcher code that input includes OTA code as described above), but if It needs, it is of course possible to still selectively execute these.Certainly, the meeting participant for logging on to end user device 8' need not be with Other meeting participants are in same room 6'.Since system 2' is network-centric, once have been verified that user's Identity, so that it may the media stream session from end user device 8' to receiver 10' is initiated, it is whether practical but regardless of the user It is present in predetermined conference.In some instances, the Screen sharing between remote location may be implemented in this, while can be independently Audio url is provided, such as uses telephone connection or Web conference (for example, Skype session).
In some instances, conferencing information can be combined with the received location information of control server 20', for example, coming from Positioning system as previously described with reference to figure 1 is to confirm that one or more expected participants attend really.With similar to the above Mode, control server 20' is required to believe from the received position of positioning system (for example, positioning system 21 in Fig. 1) It ceases and matches with the identity and controller 14' of the user of end user device 8'.Therefore, any shown in Fig. 1 and Figure 16 In embodiment, positioning system 21 may be coupled to control server 20', and the two may be connected to identical external user Catalogue 70, so as to integrate location information in a manner of uniquely identifying same subscriber across all information sources.
Thus, it is seen that for the expansible system that is streamed to multi-medium data, do not need special-purpose software and It can alternatively realize the network-based user interface by web browser for example having been described.Although in detail Specific embodiment carefully is described, it will be appreciated, however, by one skilled in the art that can be into using the principle of the present invention set forth herein The many change and modification of row.

Claims (78)

1. a kind of system for streaming the data including multimedia content, the system comprises:
One or more controllers, one or more of controllers include controller interface, and the controller interface is arranged To be connected to end user device via the first control network link；
One or more multimedia receiver equipment, one or more of multimedia receiver equipment include being suitably connected to The multimedia interface of video reception apparatus, wherein each of one or more of multimedia receiver equipment are all arranged To be connected to associated controller via the second control network link and being further arranged to via media stream network Link is directly connected to the end user device；
Control server, the one or more of multimedia receiver equipment of control server trustship and associated control The list of device；
Wherein the end user device includes the user interface for being connected to the control server, and the user interface is arranged For selecting multimedia receiver equipment and the selection multimedia content to be streamed in the list；
Wherein the end user device and the controller associated with selected multimedia receiver equipment are arranged At after receiving user's input via the control unit interface or via the end user device, used via the terminal The media stream network link between family equipment and selected multimedia receiver equipment initiates media stream session.
2. system according to claim 1, wherein user input includes that should set with selected multimedia receiver Standby the first confirmation for establishing the media stream network link.
3. system according to claim 1 or 2, wherein the end user device and with selected multimedia receiver The associated controller of equipment is arranged to only be input into the terminal use via the user interface in the second confirmation The media stream session is initiated after the equipment of family.
4. system according to claim 3, wherein second confirmation is via the first control network link from described End user device is transmitted to the controller.
5. system according to claim 3 or 4, wherein second confirmation includes fetcher code.
6. system according to claim 5, wherein the fetcher code includes personal identification number (PIN) code.
7. system according to claim 5 or 6, wherein the fetcher code is generated by the control server.
8. system according to claim 7 is arranged to via the display or warp for being connected to the multimedia receiver The fetcher code as described in the controller interface display.
9. system according to claim 7 or 8, wherein including being used for institute by the list of the control server trustship State current disposable authorization (OTA) generation of each of one or more multimedia receiver equipment and associated controller The list of code.
10. the system according to any one of claim 2 to 9, wherein the user interface makes it possible to described in the input First and/or second confirmation selects the multimedia content to be streamed later.
11. according to system described in any one preceding claims, wherein the user interface includes supporting the WebRTC association The independent computer programs of view.
12. system according to any one of claim 1 to 10, wherein the user interface includes web browser.
13. system according to claim 12, wherein the web browser is arranged to service using by the control Initiated media stream session is realized in the network application of device trustship.
14. system according to claim 12 or 13, wherein the web browser is arranged to lead in real time using network (WebRTC) application programming interface (API) is believed to realize initiated media stream session.
15. according to system described in any one preceding claims, wherein the control server includes remote server.
It further include in the end user device and selected more 16. according to system described in any one preceding claims Third between media receiver device controls network link.
17. system according to claim 16, wherein the third controls network link also by the controller via institute State the foundation of the first and second control network links.
18. according to system described in any one preceding claims, including multiple multimedia receiver equipment, each multimedia connect Receiving device equipment all includes the multimedia interface for being suitably connected to video reception apparatus, wherein each multimedia receiver equipment Network link is streamed with the specialized media between end user device.
19. system according to claim 18 further includes matrix device, the matrix device includes multiple multimedia interfaces Input and the output of at least one multimedia interface, the matrix device are connected to the multiple multimedia receiver equipment and its phase Between associated controller, wherein the matrix device is arranged to the media that will be streamed on each media stream network link Content is routed to the video reception apparatus.
20. system according to claim 19, wherein each of the multiple multimedia receiver equipment is all matched It is set to and sends its related controller for inlet flow signal when receiving the media content being streamed from end user device, and The related controller is arranged in when receiving the inlet flow signal, is sent the matrix for Inverse problem signal and is set It is standby, wherein be arranged in when receiving the Inverse problem signal will be by each media stream lattice chain for the matrix device The media content of road streaming is routed to the video reception apparatus.
21. system described in 9 or 20 according to claim 1, wherein be arranged to will be by multiple Media Streams for the matrix device The media content of SCN Space Cable Network link streaming is routed to the multiple virtual windows shown on the video reception apparatus.
22. system described in any one of 9 to 21 according to claim 1, wherein be arranged to will be by more for the matrix device The media content of a media stream network link streaming is routed to different video reception apparatus.
23. according to system described in any one preceding claims, wherein the media stream session is either simplex.
24. according to system described in any one preceding claims, further includes: user location system, the user location system It is arranged to provide customer position information to the control server.
25. system according to claim 24, wherein selecting multimedia receiver equipment in the list at least The customer position information is based in part on to automatically carry out.
26. the system according to claim 24 or 25, wherein the user location system is arranged to from one or more Beacon reception customer position information, the beacon can determine the physical location of user.
27. according to system described in any one preceding claims, further includes: dispatch server, the dispatch server is by cloth The controller being set into one or more of controllers provides conferencing information.
28. system according to claim 27, wherein the controller is configured as extracting meeting from the dispatch server Discuss information.
29. the system according to claim 27 or 28, wherein the controller is arranged to via network link to described Control server sends conferencing information.
30. the system according to any one of claim 27 to 29, wherein be arranged to will be described for the control server Conferencing information polymerize with the list of one or more of multimedia receiver equipment and related controller.
31. the system according to any one of claim 27 to 30, wherein the multimedia in the list is selected to connect Receipts device equipment is based at least partially on the conferencing information and automatically carries out.
32. the system according to any one of claim 27 to 31, wherein one or more of controllers pass through tune Degree network link is directly connected to the dispatch server.
33. the system according to any one of claim 27 to 32, wherein the dispatch server includes Exchange Server。
34. the system according to any one of claim 24 to 33, wherein be arranged to will be described for the control server Location information and/or conferencing information are polymerize with from the received user information of external user catalogue.
35. a kind of method that the data including multimedia content are streamed into multimedia receiver equipment from end user device, The end user device has user interface, and the multimedia receiver equipment includes being suitably connected to video reception apparatus Multimedia interface, which comprises
The user interface of the end user device is connected to control server to access one or more multimedia receivers The list of equipment and associated controller；
One or more multimedia receivers are selected from the list via the user interface；
The first control network link via the end user device between the controller with controller interface sends stream Request, the controller are associated with selected multimedia receiver equipment；
User's input is received by the controller interface or by the end user device to receive the stream request；
Start command is transmitted to selected multimedia receiver equipment from the controller by the second control network link；
The multimedia content to be streamed is selected by the user interface；With
It is initiated by the media stream network link between the end user device and selected multimedia receiver equipment Media stream session.
36. according to the method for claim 35, wherein user input includes should be with selected multimedia receiver Equipment establishes the first confirmation of the media stream network link.
37. the method according to claim 35 or 36, further includes:
The second confirmation is received via the user interface before initiating the media stream session.
38. according to the method for claim 37, further includes:
The controller is sent from the end user device by second confirmation via the first control network link.
39. the method according to claim 37 or 38, wherein second confirmation includes fetcher code.
40. according to the method for claim 39, wherein the fetcher code includes personal identification number (PIN) code.
41. the method according to claim 39 or 40, wherein the fetcher code is generated by the control server.
42. according to the method for claim 41, further includes:
By being connected to the display of the multimedia receiver or by the controller interface display fetcher code.
43. the method according to claim 41 or 42, wherein including using by the list of the control server trustship In the current disposable authorization of each of one or more of multimedia receiver equipment and associated controller (OTA) list of code.
44. the method according to any one of claim 36 to 43, wherein the user interface makes it possible in input institute The multimedia content to be streamed is selected when stating the first and/or second confirmation.
45. the method according to any one of claim 35 to 44, wherein the user interface includes described in support The independent computer programs of WebRTC agreement.
46. the method according to any one of claim 35 to 45, wherein the user interface includes web browser.
47. the method according to any one of claim 35 to 46, comprising:
Implement initiated media stream session using by the web application of the control server trustship.
48. the method according to claim 46 or 47, further includes:
Implement initiated media stream session using real-time Communication for Power Network (WebRTC) application programming interface (API).
49. the method according to any one of claim 35 to 48, wherein the control server includes remote server.
50. the method according to any one of claim 35 to 49, wherein the media stream session is either simplex.
51. the method according to any one of claim 35 to 50, further includes:
The multimedia content is shown using the video reception apparatus for being connected to the multimedia interface.
52. the method according to any one of claim 35 to 51, further includes:
Customer position information is provided to the control server using user location system.
53. method according to claim 52, wherein selecting one or more multimedia receivers from the list Step is based at least partially on customer position information and automatically carries out.
54. the method according to any one of claim 35 to 53, further includes:
Conferencing information is provided using controller of the dispatch server into one or more of controllers.
55. method according to claim 54, further includes:
Conferencing information is extracted into the controller from the dispatch server.
56. the method according to claim 54 or 55, further includes:
The control server is sent from the controller by conferencing information via network link.
57. the method according to any one of claim 54 to 56, further includes:
By the list of the conferencing information and one or more of multimedia receiver equipment and associated controller It condenses together.
58. the method according to any one of claim 54 to 57, wherein selected from the list one or more more The step of media source, is based at least partially on the conferencing information and automatically carries out.
59. the method according to any one of claim 52 to 58, further includes:
The location information and/or conferencing information are condensed together with from the received user information of external user catalogue.
60. a kind of system for streaming the data including multimedia content, the system comprises:
One or more controllers, one or more of controllers include controller interface, and the controller interface is arranged To be connected to end user device via the first control network link；
One or more multimedia receiver equipment, one or more of multimedia receiver equipment include being suitably connected to The multimedia interface of video reception apparatus, wherein each of one or more of multimedia receiver equipment are all arranged To be connected to associated controller via the second control network link and being further arranged to via media stream network Link is directly connected to the end user device；
Control server, the control server trustship one or more multimedia receiver equipment and associated controller List；With
Dispatch server, the dispatch server are arranged to the controller into one or more of controllers and provide meeting Discuss information；
Wherein the system, which is arranged to using the conferencing information, selects the multimedia receiver in the list to set The standby and selection multimedia content to be streamed；And
Wherein the end user device and controller associated with selected multimedia receiver equipment be arranged to through Media Stream is initiated by the media stream network link between the end user device and selected multimedia receiver equipment Send session.
61. system according to claim 60, wherein the end user device and with selected multimedia receiver The associated controller of equipment is arranged in via the controller interface or receives use via the end user device Media stream session is initiated when family inputs.
62. the system according to claim 60 or 61, wherein the end user device includes being connected to the control clothes Be engaged in the user interface of device, the user interface be arranged to select multimedia receiver equipment in the list and Select the multimedia content to be streamed.
63. the system according to any one of claim 60 to 62, wherein the controller is arranged to from the scheduling Server extracts conferencing information.
64. the system according to any one of claim 60 to 63, wherein the controller is arranged to via lattice chain Control server described in road direction sends conferencing information.
65. the system according to any one of claim 60 to 64, wherein be arranged to will be described for the control server Conferencing information polymerize with the list of one or more of multimedia receiver equipment and related controller.
66. the system according to any one of claim 60 to 65, wherein be arranged to will be described for the control server Conferencing information polymerize with from the received user information of external user catalogue.
67. the system according to any one of claim 60 to 66, wherein multimedia of the selection in the list connects Receipts device equipment is based at least partially on the conferencing information and automatically carries out.
68. the system according to any one of claim 60 to 67, wherein one or more of controllers are via tune Degree network link is directly connected to the dispatch server.
69. the system according to any one of claim 60 to 68, wherein the dispatch server includes Exchange Server。
70. the system according to any one of claim 60 to 69 further includes user location system, the user positions system System is arranged to provide customer position information to the control server.
71. system according to claim 70, wherein selecting multimedia receiver equipment in the list at least The customer position information is based in part on to automatically carry out.
72. the system according to claim 70 or 71, wherein the user location system is arranged to from one or more Beacon reception customer position information, one or more of beacons can determine the physical location of user.
73. a kind of method that the data including multimedia content are streamed into multimedia receiver equipment from end user device, The end user device has user interface, and the multimedia receiver equipment includes being suitably connected to video reception apparatus Multimedia interface, which comprises
Conferencing information, the controller and the multimedia are provided to the controller with controller interface using dispatch server Receiver apparatus is associated；
The controller is connected to control server with by the conferencing information and one or more multimedia receiver equipment List with associated controller polymerize；
The user interface of the end user device is connected to the control server, with based on the conferencing information selection with The associated multimedia receiver equipment of controller；
The multimedia content to be streamed is selected by the user interface；
Pass through first between the end user device and controller associated with selected multimedia receiver equipment It controls network link and sends stream request；
Start command is transmitted to selected multimedia receiver equipment from the controller via the second control network link； With
It is initiated via the media stream network link between the end user device and selected multimedia receiver equipment Media stream session.
74. the method according to claim 73, further includes:
One or more multimedia receivers are selected from the list via the user interface.
75. the method according to claim 73 or 74, further includes:
User's input is received via the controller interface or via the end user device to receive the stream request.
76. the method according to any one of claim 73 to 75, further includes:
Conferencing information is extracted into the controller from the dispatch server.
77. the method according to any one of claim 73 to 76, further includes:
The control server is sent from the controller by conferencing information via network link.
78. the method according to any one of claim 73 to 77, wherein by the user interface of the end user device Being connected to the control server includes: to set based on from the received user information of external user catalogue to verify the terminal user The identity of standby user.
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